Summary:
Changelog: [internal]
Cloning root shadow node didn't always trigger a layout because node was not dirtied. Checking if layoutConstraints are changed when cloning RootShadowNode
Reviewed By: JoshuaGross
Differential Revision: D28352238
fbshipit-source-id: 536afdeddf5d2019950ceb6664c10ee593ab5f02